EP3880757A1 - Joint d'huile agricole et agent de conservation - Google Patents

Joint d'huile agricole et agent de conservation

Info

Publication number
EP3880757A1
EP3880757A1 EP19883567.0A EP19883567A EP3880757A1 EP 3880757 A1 EP3880757 A1 EP 3880757A1 EP 19883567 A EP19883567 A EP 19883567A EP 3880757 A1 EP3880757 A1 EP 3880757A1
Authority
EP
European Patent Office
Prior art keywords
asphalt
styrene
mixture
carbon black
esters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19883567.0A
Other languages
German (de)
English (en)
Other versions
EP3880757A4 (fr
Inventor
Sheldon R. Chesky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biospan Technologies Inc
Biospan Technology Inc
Original Assignee
Biospan Technologies Inc
Biospan Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biospan Technologies Inc, Biospan Technology Inc filed Critical Biospan Technologies Inc
Publication of EP3880757A1 publication Critical patent/EP3880757A1/fr
Publication of EP3880757A4 publication Critical patent/EP3880757A4/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
    • C09D109/06—Copolymers with styrene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/08—Copolymers of styrene
    • C09D125/10—Copolymers of styrene with conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/005—Methods or materials for repairing pavings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/351—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively hydraulical binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively hydraulic binders
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/356—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively synthetic resin as a binder; Aggregate, fillers or other additives for application on or in the surface of toppings having exclusively synthetic resin as binder
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
    • E01C7/358—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with a combination of two or more binders according to groups E01C7/351 - E01C7/356
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids

Definitions

  • This invention is in the field of asphalt construction or pavement applications, compositions and methods of use thereof.
  • the invention also relates to methods of using the composition to surface seal and as a penetrating preservation agent to extend the life of the asphalt construction or pavement.
  • the present invention relates to asphalt repair compositions, sealing or coating compositions, and methods for coating structures such as roadways, such as asphaltic surfaces to improve structure lifetime.
  • Asphalt is widely used in the construction of highways and parking areas where large areas need to be covered with a relatively hard, flat, weather-resistant surface suitable for vehicular travel. With prolonged usage these asphalt surfaces develop cracks which permit the seepage of water therethrough to undermine the sand and rock subbase.
  • Asphalt pavement includes a light oil that functions as a binder with the aggregate contained within the asphalt. The sun, as well as the amount of vehicular travel, causes this light oil to vaporize thereby causing the asphalt roadway to deteriorate. This deterioration of the asphalt surface necessitates reconditioning of that surface. Therefore there is a need for a need for a method and composition to surface seal and as a penetrating preservation agent to extend the life of the asphalt construction or pavement. What is needed is a method of resurfacing or improving the asphalt surface without physical removal of the asphalt or application of additional roadway layers.
  • the present invention in one embodiment, contemplates compositions and methods for enhancing the operational life of asphalt surfaces, and in particular, asphalt surfaces that have oxidized.
  • the invention relates to a method of treating an asphalt from a solid surface comprising: a) providing; i) a solid surface comprising asphalt thereon; and ii) a mixture comprising at least one biobased ester, at least one monoterpene, propylene glycol methyl ether acetate, a liquid intermediate made from polystyrene foam, carbon black pigment, and styrene-butadiene complex; and b) applying said mixture to said surface under conditions such that said asphalt is treated.
  • the mixture is a nonaqueous mixture.
  • said asphalt lacks coal tar.
  • said treated asphalt is darker after step b) than said asphalt of step a).
  • said mixture is undiluted with solvent.
  • said biobased esters are selected from the group consisting of soy based esters and canola methyl esters.
  • said styrene-butadiene complex is derived from tire rubber.
  • said styrene-butadiene complex is derived from latex rubber.
  • said monoterpene is D-limonene.
  • said carbon black pigment is 1200 Carbon Black.
  • said mixture comprises 27.4% monoterpenes, 33.5% biobased esters, 21.0% propylene glycol methyl ether acetate, 16.9% liquid intermediate made from polystyrene foam, 1.18% styrene-butadiene complex, and 0.02% carbon black pigment.
  • said mixture comprises 28.1% monoterpenes, 32.8% biobased esters, 21.0% propylene glycol methyl ether acetate, 16.94% liquid intermediate made from polystyrene foam, 1.18% styrene-butadiene complex, and 0.01% carbon black pigment.
  • said mixture is a surface seal and a penetrating preservation agent to extend the life of the asphalt construction or pavement.
  • the invention relates to a composition
  • a composition comprising a mixture comprising at least one biobased ester, at least one monoterpene, propylene glycol methyl ether acetate, a liquid intermediate made from polystyrene foam, carbon black pigment, and styrene-butadiene complex.
  • said biobased esters are selected from the group consisting of soy based esters and canola methyl esters.
  • said styrene-butadiene complex is derived from tire rubber.
  • said styrene-butadiene complex is derived from latex rubber.
  • said monoterpenes are D-limonene.
  • mixture comprises 27.4% monoterpenes, 33.5% biobased esters, 21.0% propylene glycol methyl ether acetate, 16.9% liquid intermediate made from polystyrene foam, 1.18% styrene-butadiene complex, and 0.02% carbon black pigment.
  • mixture comprises 28.1% monoterpenes, 32.8% biobased esters, 21.0% propylene glycol methyl ether acetate, 16.94% liquid intermediate made from polystyrene foam, 1.18% styrene-butadiene complex, and 0.01% carbon black pigment.
  • said composition is undiluted.
  • the invention relates to a method of treating asphalt that is not black in color (e.g. due to aging, exposure to the environment, wear from vehicles, and more typically because it is oxidized) from to a black color comprising: a) providing; i) a solid surface comprising asphalt thereon, wherein at least a portion of said asphalt is not black in color (e.g.
  • the asphalt is grey due to aging. In one embodiment, the asphalt is grey due to oxidation. In one embodiment, said asphalt is on a road.
  • the invention relates to a method of treating an asphalt on a solid surface comprising: a) providing; i) a solid surface comprising asphalt thereon; and ii) a mixture comprising at least one canola ester, at least one monoterpene, propylene glycol methyl ether acetate, a liquid intermediate made from polystyrene foam, carbon black pigment, and styrene-butadiene complex; and b) applying said mixture to said surface under conditions such that said asphalt is treated.
  • the product is used in an undiluted form without the addition of solvents, carriers or other solution.
  • the product will work as intended on asphalt and asphalt that has been treated with a variety of surface treatments, except coal tar. If there is any coal tar present, the product will not work.
  • Asphalt is a black bituminous material used for paving roads or other areas; usually spread over crushed rock. Asphalt is also a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons. Asphalt is also a mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing.
  • Asphalts include cementitious materials in which the predominating constituents are bitumens that occur in nature or are obtained in petroleum processing.
  • Bitumen is a term which encompasses cementitious substances, natural or manufactured, composed principally of high molecular weight hydrocarbons, of which asphalts, tars, pitches, and asphalitites are typical.
  • Asphalts are often classified as solids, semisolids, or liquids. They are often defined as the manufactured materials that are produced during petroleum processing. Asphalts characteristically contain very high molecular weight molecular polar species, called asphaltenes, which are soluble in carbon disulfide, pyridine, aromatic hydrocarbons, chlorinated hydrocarbons, and tetrahydrofuran (THF). Asphalts produced from the refining of petroleum have been used primarily in paving and roofing applications.
  • a preferred rubber is at least a poly(conjugated diene).
  • exemplary conjugated diene contributed monomer units include 1,3 -butadiene, isoprene, 2, 3-dimethyl-l, 3-butadiene, and 1,3-pentadiene.
  • Preferred conjugated diene contributed monomer units are 1,3-butadiene and isoprene.
  • the rubber may include more than one conjugated diene contributed monomer unit, such as, for example, the rubber may be a poly(l,3-butadiene-co-isoprene).
  • the rubber may also contain additional monomer contributed units.
  • exemplary monomer contributed units include vinyl-substituted aromatic hydrocarbons.
  • Suitable vinyl-substituted aromatic hydrocarbons include styrene, a-methyl styrene, 1-vinylnaphthalene, 2-vinylnaphthalene, 1 -a-methyl vinylnaphthalene, 2-a-m ethyl vinylnaphthalene, as well as alkyl, cycloalkyl, aryl, alkaryl, and aralkyl derivatives thereof, and di-or tri-vinyl aromatic hydrocarbons.
  • a preferred vinyl-substituted aromatic hydrocarbon is styrene.
  • the rubber is preferably any of poly( 1,3 -butadiene), styrene-butadiene diblock polymers, as well as any styrene-butadiene block or random polymers, and mixtures thereof.
  • Limonene is a colorless liquid hydrocarbon classified as a cyclic terpene possessing a strong smell of oranges. Limonene has the structure as shown below:
  • Limonene is a chiral molecule, and biological sources produce one enantiomer: the principal industrial source, citrus fruit, contains D-limonene ((+)-limonene), which is the (R)-enantiomer. Racemic limonene is known as dipentene [1] D-limonene is commercially available.
  • atoms making up the compounds of the present invention are intended to include all isotopic forms of such atoms.
  • Isotopes include those atoms having the same atomic number but different mass numbers.
  • isotopes of hydrogen include tritium and deuterium
  • isotopes of carbon include 13 C and 14 C.
  • one or more carbon atom(s) of a compound of the present invention may be replaced by a silicon atom(s).
  • one or more oxygen atom(s) of a compound of the present invention may be replaced by a sulfur or selenium atom(s).
  • An“isomer” of a first compound is a separate compound in which each molecule contains the same constituent atoms as the first compound, but where the configuration of those atoms in three dimensions differs.
  • oleic acid refers to a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish.
  • biobased esters as that term is used to refer to esters that are a biproduct of cultivation from living organisms, either in terms of microbial, plant, or animal based bioesters. Examples of these include soy based esters, coconut, palm, canola and rapeseed oils, recycled vegetable oils, and beef tallow. Esters are made through a chemical process called transesterification. “Biobased esters” naturally contain a variety of chain lengths.
  • a more recent practice has been to recondition old asphalt surfaces by breaking up of the existing asphalt aggregate material, picking up the material for reconditioning, heating and then reapplying the heated reconditioned material as a new surface.
  • the pavement is heated, scarified to a certain depth by a scarifying tool producing loose aggregate material.
  • This loose aggregate material is then picked up, placed within a mixing vat where it is pulverized, combined with a light oil and then reapplied to the asphalt material.
  • This past method of recycling of the old asphalt has a disadvantage that it requires picking up of the old asphalt, moving it to a mixing location and then bringing it back and reapplying it to the roadway. It would substantially diminish the cost of resurfacing an asphalt roadway or pavement if this recycling procedure did not require the physical picking up of the loose aggregate material and transporting such to a mixer and then retransporting it back to be applied to the asphalt surface. What is needed is a method of resurfacing or improving the asphalt surface without physical removal of the asphalt or application of additional roadway layers.
  • Asphalt road pavements are being subjected to increasingly severe load stress.
  • the repeated deflection of the road pavement causes elastic-type failure and fatigue failure in the pavement, which manifests itself in the form of pavement surface cracking and fracturing patterns.
  • Conventional repair methods involve asphalt overlays, or replacement of the pavement surface.
  • Bituminous products are widely used in the construction field, and constitute one of the major commodity products in building and road construction. These materials are derived from the residue remaining after crude oil is refined to remove various distillates. Over the past twenty years, there have been many innovations in bituminous materials used in roofing and paving. The principle objectives of these developments are to increase strength and durability, ductility, reduce“creep”, cracking, and surface wear. A typical asphalt shingled roof requires replacement after 12-18 years, and road damage to asphalt may be detected within even the first year of paving. New compositions have substantially extended the lifespan of these materials
  • U.S. Pat. No. 5,556,900 [14] discloses a thermoplastic polymer-linked asphalt in which the asphalt is reacted with an epoxide polymer resulting in a composition with low gelation, high emulsion forming capacity, and improved rheology. Heat treatment at 135° C., results in covalent bonding between the polymer and the asphalt. In other polymer-containing bitumens, there is typically non-covalent adhesion binding of components.
  • U.S. Pat. No. 5,473,000 [15] teaches a method for improving bitumen by adding to asphalt a therm oplast or thermoelastomer, and a wood resin, resulting in enhanced binding properties.
  • a linear polyethylene modified asphaltic composition is disclosed in U.S. Pat. No. 4,868,233 [16], which has improved storage stability and creep resistance.
  • Another polymer additive approach is disclosed in U.S. Pat. No. 5,322,867 [17] for a bituminous mixture containing a polymer comprising one block of a conjugated diolefin methacrylate and a block of a functionalized acrylic monomer, giving improved properties over neat asphalt.
  • U.S. Pat. Nos. 5,451,621 [21] and 5,973,037 [22] teach the infusion of particular latex polymers characterized as styrene-ethylene-butylene-styrene block copolymers into bituminous products, including asphalt, to raise the softening point of the blend and increase resistance to ultraviolet radiation, ozone, and fatigue.
  • U.S. Pat. No. 5,704,971 [23] discloses the pretreatment of crumb rubber with peroxide, adding the treated rubber to asphalt in the presence of a compatibilized binder to produce an asphalt having improved settling properties of the binder, and reduced tendency to ravel.
  • the invention relates to a thin biobased liquid applied on the surface of asphalt pavement which functions as both a surface seal and a penetrating preservation agent which extends the life of the pavement.
  • the invention relates to the asphalt preservation agent described in Table 1 and Example 1.
  • the invention relates to the asphalt preservation agent described in Table 2 and Example 2.
  • this material seeks out the air voids in the pavement carrying the material deep into the asphalt matrix. The average depth of penetration is 2-5 cm reversing the oxidation on the asphalt surface and in the matrix.
  • the material contains SBS polymers, and SBBS polymers derived from the recovery and reuse of polystyrene and used tire rubber, or SBS and SBBS polymers made from vegetable oil derivatives. The combination of the reduction chemistry and introduction of new polymers serve to rejuvenate and strengthen the existing asphalt matrix.
  • the liquid is free of any petroleum oils or petroleum byproducts.
  • This product comprises new formulations which provides a darker, almost black surface once it cures versus the conventional RePlay which, when cured, is a clear, slightly darker surface.
  • the aesthetic differences are dramatically different; however, the functional performance of both products are the same.
  • Both formulations penetrate into the asphalt to a depth of 3 ⁇ 4”- 1/1/4” in 15 to 30 minutes while reversing the oxidation present on the asphalt binder.
  • Both impart new nanopolymers to the asphaltic matrix, thus strengthening the pavement and returning it back to a functional 95% of new level; however, the new product adds one additional polymer to the matrix which keeps the treated asphalt much darker, down to the 3 ⁇ 4-l 1 ⁇ 4” depth.
  • the product formulations make use of these polymers plus the addition of a lampblack/ styrene -based polymer which provides a significantly blacker result which penetrates deep into the asphalt.
  • the purpose is to create a lasting dark pavement which offers significantly better aesthetics than conventionally treated asphalt which lightens in color over time due to the oxidation of the asphalt binder.
  • the addition of the new polymer masks the oxidation.
  • esters made from canola oil and combinations with both soy and canola. Note that using straight soybean oil or canola oil on asphalt is very destructive, but when they are reacted with our chemistries, both add strength and durability to asphalt pavements.
  • Both the new and existing formulation are applied in the same way.
  • the solution is applied to the asphalt surface using a spray system which meters out the exact amount to be applied. All the solutions seek out the voids (holes in the pavement) and penetrate into the asphalt matrix. Asphalt has approximately 11-15% voids. While the solution is penetrating, a series of reduction reactions take place on the surface and in the matrix reversing the oxidation and providing a bonding spot for the new nanopolymers to bond to the asphalt binder. The chemical reactions are endothermic reactions, becoming colder. No heat is needed for this to occur.
  • a liquid intermediate is created from polystyrene foam.
  • This compound is made by reacting polystyrene foam with a d-limonene/soy methyl ester solution using sulfuric acid to trigger the reaction and stabilize the pH, referred hereafter as “Phloem” or“a liquid intermediate made from polystyrene foam.”
  • the d-limonene/soy methyl ester solution is prepared in a radio of 70 to 30 by mass.
  • a ratio of sulfuric acid to the soy methyl ester is 999.9 to 0.0001 by mass is required to trigger the reaction and stabilize the pH.
  • Phloem is created by reacting the polystyrene foam with the d-limonene/ soy methyl ester with sulfuric acid utilizing a catalyst.
  • the catalyst comprises iron (steel tank), copper, and a nickel/silver alloy. When the reaction is run with just the iron and copper, it does not work. When the reaction is run with just the nickel or nickel/silver alloy by itself, it does not work. The combination of the three catalysts enables catalysis of the reaction.
  • a second intermediate is made to produce a styrene, butadiene complex.
  • Used tire rubber which has been shredded or ground up is reacted with concentrated sulfuric acid, in the presence of propylene glycol monomethyl ether acetate, or PMA. This produces a styrene-butadiene complex which provides the source material for the butadiene, or latex rubber.
  • Virgin latex rubber works the same as used tire rubber.
  • the styrene/butadiene complex provides the necessary amount of butadiene to make S-B-S and the SBBS polymers.
  • Butadiene is the building block for rubber. It is 4 isoprene units and that makes latex rubber. Rubber can also be derived from used tires.
  • the styrene/butadiene complex is made from tires which are shredded or ground. The shredded rubber is treated with PMA (propylene glycol monomethyl ether acetate) and once the rubber is softened, the reaction is initiated with sulfuric acid. It is believed that the result is that one is able to extract styrene-butadiene which becomes building block for the SBS AND THE SBBS Nanopolymers. This styrene-butadiene is added to the formulations to provide better skid resistance and better longevity. It is believed that this is one of the reasons why the formulations work as well as they do.
  • the reaction is almost immediate and produces heat. Some sulfamic acid is formed which gets neutralized by the PMA. The tire rubber is broken down and the components captured. When the reaction is run, it smells like a rubber plant. The acid may be recovered and reused multiple times.
  • One source of the polymerized lampblack is Cabot, Corporation, Boston, MA.
  • ‘Emperor 1200 carbon black” is used. This provides the bulk of the darkening agent to both new formulations. It is believed that black, carbon based nanopolymers are also created when the methyl esters are reacted with the other raw materials.
  • Our carbon based "black polymers" used in the formulations may be derived from either carbon black, lamp black (the soot from burning organics), or charcoal (derived from combustion of wood or cellulose). All of these sources produce a pure carbon which is linked to the styrene on either end of the carbon chain.
  • oleic acid contains 18 carbon atoms and the higher the oleic content in either oil, the more carbon based black polymers.
  • the structure lends itself to a substitution of styrene on either end of the carbon chain which makes the black polymer used in the formulation. In some embodiments, they form nanopolymers.
  • the presence of the styrene on the ends lends itself to crosslinking of the polymer chains which attach to the asphaltic base. In some embodiments, there is chemical attachment and it is not simply a physical coating. In some embodiments, this bonding provides longevity of the black appearance as well as helping increase the longevity of the overall pavement.
  • the raw materials MUST be added in sequence for either solution to work, and be stable.
  • polystyrene foam 16.9 styrene/butadiene complex 1.18
  • the curing time is slightly longer for the black products and will be affected by the ambient temperature.
  • the formulation should not be applied to asphalt pavement temperatures below 40°F. When pavement temperatures fall below 60°F, add an extra 15 minutes cure time for every 5 degree drop due to increased viscosity and pavement shrinkage.
  • the raw materials MUST be added in sequence for either solution to work, and be stable.
  • Table 2 A Method of Manufacture for Solution B follows.
  • the specific gravity of the finished product is .889- 891. Adjust with phloem.
  • the curing time is slightly longer for the black products and will be affected by the ambient temperature.
  • the formulation should not be applied to asphalt pavement temperatures below 40°F. When pavement temperatures fall below 60°F, add an extra 15 minutes cure time for every 5 degree drop due to increased viscosity and pavement shrinkage.
  • Van Der Loos, J. L. M. "Process for Preparing a Mixture of Bitumen, a High-Boiling Hydrocarbon and a Rubber-Like Copolymer of Ethylene, at Least One Other Alpha-Alkene and, If Necessary, One or More Polyenes," United States Patent 3,879,323, filed 09/18/1973. (issued 4/22/1975).

Abstract

La présente invention se rapporte au domaine des applications de chaussée ou de construction en asphalte, à des compositions associées et à leurs procédés d'utilisation. L'invention concerne également des procédés d'utilisation de la composition en tant qu'agent d'étanchéité de surface et en tant qu'agent de conservation pénétrant pour prolonger la durée de vie de la construction ou de la chaussée en asphalte. La présente invention concerne des compositions de réparation d'asphalte, des compositions d'étanchéité ou de revêtement, et des procédés de revêtement de structures telles que des chaussées, telles que des surfaces asphaltiques en vue d'améliorer la durée de vie de la structure.
EP19883567.0A 2018-11-14 2019-11-14 Joint d'huile agricole et agent de conservation Pending EP3880757A4 (fr)

Applications Claiming Priority (2)

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AU2019378879A1 (en) 2021-06-17
WO2020102495A1 (fr) 2020-05-22
GB202107986D0 (en) 2021-07-21
CA3119837C (fr) 2023-09-19
GB2594172A (en) 2021-10-20
GB2594172B (en) 2023-01-18
US20220064872A1 (en) 2022-03-03
US11193243B2 (en) 2021-12-07
US20200149227A1 (en) 2020-05-14
EP3880757A4 (fr) 2022-08-10
CA3119837A1 (fr) 2020-05-22

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